Home / 123,972.19-171,078.03-70,262.17

Finding the Fourth Proportional to 123,972.19, 171,078.03 and 70,262.17

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Solution

The fourth proportional to 123,972.19, 171,078.03 and 70,262.17 is: 96,959.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,972.19 : 171,078.03 = 70,262.17 : x
  2. Step 2: Convert to fraction form
    123,972.19/171,078.03 = 70,262.17/x
  3. Step 3: Cross multiply
    123,972.19x = 171,078.03 × 70,262.17
  4. Step 4: Simplify right side
    123,972.19x = 12,020,313,627.13
  5. Step 5: Solve for x
    x = 12,020,313,627.13/123,972.19
  6. Step 6: Final answer
    x = 96,959.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.